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WB JEE Medical WB JEE Medical Solved Paper-2010

  • question_answer
    Identify [A] and [B] in the following\[_{89}^{227}Ac\xrightarrow{-\beta }[A]\xrightarrow{-\alpha }[B]\xrightarrow{-\alpha }Rn\]

    A)  Po, Rn                                 

    B)  Th, Po                  

    C)  Ra, Th                                  

    D)  Th, Ra                 

    Correct Answer: D

    Solution :

                     \[_{89}^{227}Ac\xrightarrow{-\beta }\underset{A}{\mathop{_{90}^{227}Th}}\,\xrightarrow{-\alpha }\underset{B}{\mathop{_{88}^{223}Ra}}\,\]


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